Drill units for drilling and charge laying operations and method

Details Drill units for drilling and charge laying operations and method Drill units for drilling and charge laying operations and method

1977-12-06

1979-08-28

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

102 23, 86 20C, 175 2, 175 9, 175 52, 175 85, E21B 700

Patent

active

041656903

ABSTRACT:
The invention provides for a drill unit for drilling and charge laying operations and is suitable for operation on land or underwater. The drill unit comprises a rock drill mounted on a frame structure on a gantry and drill steels and casing members located in a drill magazine where they can be moved into register with the drilling machine for drilling a hole below the gantry, the casing member being put down the hole to line it and a charge magazine containing explosive cartridges also mounted on the gantry provided with means for bringing a cartridge into register with a casing member put down a hole to charge the casing member. The operation being remotely controlled.

REFERENCES:
patent: 3286777 (1966-11-01), Gyongyosi
patent: 3420319 (1969-01-01), Lincoln et al.
patent: 3613906 (1971-10-01), Deyo et al.
patent: 3623771 (1971-11-01), Sosnowicz et al.
patent: 3741320 (1973-06-01), Hilfing
patent: 3741322 (1973-06-01), Wolters
patent: 4040335 (1977-08-01), Hopler, Jr.

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